fix: falsy values in no-invalid-media-type-examples, no-invalid-parameter-examples, and no-invalid-schema-examples rules

[tatomyr]

What/Why/How?

Fixed a small issue in no-invalid-media-type-examples, no-invalid-parameter-examples, and no-invalid-schema-examples rules which allowed to pass falsy examples for any schema.

Reference

Testing

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Check yourself

• [ ] Code changed? - Tested with redoc/reference-docs/workflows (internal)
• [ ] All new/updated code is covered with tests
• [ ] New package installed? - Tested in different environments (browser/node)

Security

• [x] Security impact of change has been considered
• [x] Code follows company security practices and guidelines

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 026dc7b8440c92fe75b66257215ff8f112510e32

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

| Name | Type | | --------------------- | ----- | | @redocly/openapi-core | Patch | | @redocly/cli | Patch |

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[github-actions[bot]]

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
redocly lint packages/core/src/benchmark/benches/rebilly.yaml	997.0 ± 39.4	948.7	1087.7	1.01 ± 0.05
redocly-next lint packages/core/src/benchmark/benches/rebilly.yaml	990.1 ± 22.0	963.3	1026.2	1.00

[github-actions[bot]]

Coverage report

St.:grey_question:	Category	Percentage	Covered / Total
🟡	Statements	77.22%	4481/5803
🟡	Branches	67.5%	2474/3665
🟡	Functions	70.72%	744/1052
🟡	Lines	77.41%	4215/5445

Test suite run success

741 tests passing in 104 suites.

Report generated by 🧪jest coverage report action from 026dc7b8440c92fe75b66257215ff8f112510e32